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BUG: Fix missed cache invalidations on assignment.

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_position_values needs to be invalidated on every assignment.
This commit is contained in:
Eddie Hebert
2015-02-20 15:30:33 -05:00
parent eda323dcd4
commit 83b0e51b59
1 changed files with 3 additions and 0 deletions
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zipline/finance/performance/period.py
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@@ -161,9 +161,11 @@ class PerformancePeriod(object):
def set_position_amount(self, sid, amount):
self._position_amounts[sid] = amount
self._position_values = None # invalidate cache
def set_position_last_sale_price(self, sid, last_sale_price):
self._position_last_sale_prices[sid] = last_sale_price
self._position_values = None # invalidate cache
def handle_split(self, split):
if split.sid in self.positions:
@@ -237,6 +239,7 @@ class PerformancePeriod(object):
position.amount += share_count
self._position_amounts[stock] = position.amount
self._position_last_sale_prices[stock] = position.last_sale_price
self._position_values = None # invalidate cache
# Recalculate performance after applying dividend benefits.
self.calculate_performance()